See also:Sosigenes (crater) Sosigenes of Alexandria was named by Pliny the Elder as the astronomer consulted by Julius Caesar for the design of the Julian calendar. ... An astronomer or astrophysicist is a scientist whose area of research is astronomy or astrophysics. ... Gaius Julius Caesar (Latin: IMP·C·IVLIVS·CAESAR·DIVVS¹) (b. ... The Julian calendar was introduced by Julius Caesar in 46 BC, taking force in 45 BC or 709 ab urbe condita. ... Sosigenes the Peripatetic was a peripatetic philosopher living at the end of the 2nd century A.D. He was the tutor of Alexander of Aphrodisias and wrote a work on Revolving Spheres, from which some important extracts have been preserved in Simpliciuss commentary on Aristotles De caelo. ... The Peripatetics were a school of philosophy in ancient Greece. ... Alexander of Aphrodisias, pupil of Aristocles of Messene, the most celebrated of the Greek commentators on the writings of Aristotle, and styled, by way of pre-eminence, o exegetes (the expositor), was a native of Aphrodisias in Caria. ... Sosigenes is a lunar impact crater on the west edge of Mare Tranquillitatis. ...
SOSIGENES, Greekastronomer and mathematician, probably of Alexandria, flourished in the 1st century B.C. According to Pliny (Nat.
8) it is inferred that Sosigenes maintained the doctrine of the motion of Mercury round the sun, which is referred to by his contemporary Cicero, and was also held by the Egyptians.
The astronomer is to be distinguished from the Peripatetic philosopher of the same name, who lived at the end of the 2nd century A.D. He was the tutor of Alexander of Aphrodisias, the most famous of the commentators on Aristotle.
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